Table 2.
Plackett-Berman experiment coded levels and real values
| Trial | Ricinus communis | Corn steep liquor | KH2PO4 | Time | Inoculum size | Moistening agent | Glucose | Activity |
|---|---|---|---|---|---|---|---|---|
| 1 | 3 (−) | 1 (−) | 6.5 (−) | 9 (+) | 3 (+) | 9 | 4 | 116.95 ± 0.69 |
| 2 | 7 (+) | 1 (−) | 6.5 (−) | 5 (−) | 1 (−) | 21 | 5 | 48.08 ± 0.85 |
| 3 | 3 (−) | 1.8 (+) | 6.5 (−) | 5 (−) | 3 (+) | 3 | 5 | 59.48 ± 0.06 |
| 4 | 7 (+) | 1.8 (+) | 6.5 (−) | 9 (+) | 1 (−) | 7 | 4 | 47.41 ± 0.08 |
| 5 | 3 (−) | 1 (−) | 8.5 (+) | 9 (+) | 1 (−) | 3 | 5 | 55.33 ± 0.05 |
| 6 | 7 (+) | 1 (−) | 8.5 (+) | 5 (−) | 3 (+) | 7 | 4 | 24.80 ± 0.25 |
| 7 | 3 (−) | 1.8 (+) | 8.5 (+) | 5 (−) | 1 (−) | 9 | 4 | 86.78 ± 0.61 |
| 8 | 7 (+) | 1.8 (+) | 8.5 (+) | 9 (+) | 3 (+) | 21 | 5 | 83.96 ± 0.36 |
| 9 | 5 (0) | 1.4 (0) | 7.5 (0) | 7 (0) | 2 (0) | 10 | 4.5 | 66.88 ± 0.04 |
| 10 | 5 (0) | 1.4 (0) | 7.5 (0) | 7 (0) | 2 (0) | 10 | 4.5 | 66.88 ± 0.04 |
| 11 | 5 (0) | 1.4 (0) | 7.5 (0) | 7 (0) | 2 (0) | 10 | 4.5 | 66.88 ± 0.04 |